(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

SEM TITULO

ConcedidaInvention Patent
Talk to an expert

Application data

Number

PI8104935

Type

Invention Patent

Filing

07/30/1981

Publication

03/08/1983
View on INPI

Progress at the INPI

  1. Filing07/30/81
  2. Publication03/08/83
  3. Examination08/09/83
  4. Allowance04/09/85
  5. Grant10/01/85
  6. Expired11/19/96

The letters patent expired on 11/19/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/01/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

US

See this company's full portfolio

Inventors

B. J. (pessoa física)

C. P. (pessoa física)

Technical data

IPC Classification

C08J 3/20D06P 1/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/01/1985

RPI 780

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

Exigência - art. 36 da LPI

#6.1

06/26/1984

RPI 714

Solicitação de exame técnico

#4.1

08/09/1983

RPI 668

Publicação do pedido de patente

#3.1

03/08/1983

RPI 646

Carta-patente expirada

#21.1

11/19/1996

RPI 1355

Related

From the same holder

SEM TITULO

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.